Soft Magnetic Materials for High Frequency High Power Density Transformers in Power Electronic Systems

Science Platform Corporation
Publication Type:
Journal Article
Academic Magazine, 2007, 1 (1), pp. 11 - 16
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Along with the trends of higher and higher frequency operations and smaller and smaller physical volumes of power electronic systems, the transformers and inductors used in the power electronic systems are facing challenge to operate at high frequencies. This paper presents a survey on the soft magnetic materials used in the high frequency high power density (HFHPD) transformers and inductors in the power electronic systems. Various types of magnetic material, such as electrical sheets, soft ferrites and amorphous magnetic alloys, are reviewed. It is revealed that soft ferrites seem the most suitable for the core materials of HFHPD transformers.
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